Part of a brass instrument that receives the mouthpiece
This article is about the component of brass musical instruments. For the type of plumbing, see
Lead pipe .
Piccolo trumpet in B♭ , with swappable leadpipes to tune the instrument to B♭ (shorter) or A (longer).
Basic trombone anatomy
tuning slide
counterweight
mouthpiece
slide lock ring
bell
knob/bumper
water key/spit valve
main slide
second slide brace/stay
first slide brace/stay
bell lock nut
Scheme of a French horn (view from underneath ). #2: Leadpipe.
In a brass instrument , a leadpipe or mouthpipe is the pipe or tube into which the mouthpiece is placed.
For example, on the illustration of a trombone , the leadpipe would be between #3 and #4, the mouthpiece and the slide lock ring. In the illustration of a French horn , the leadpipe is #2.